Climate almanac

Mahdishahr

Semnan, Iran · 35.71°, 53.35°

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What is the climate like in Mahdishahr?

The best time to visit Mahdishahr is typically June – October, with trip comfort peaking in August (8.8/10). Mahdishahr is warmest in July, when daily highs average 83°F (28°C), and coolest in January, when lows fall to about 24°F (-4°C). The wettest month is typically May and the driest is August; the year sees roughly 17 in (422 mm) of precipitation.

  • Best time to visitJune – October — comfort peaks in August (8.8/10)
  • Warmest monthJuly — average high 83°F (28°C)
  • Coolest monthJanuary — average low 24°F (-4°C)
  • Wettest monthMay (2.6 in (66 mm))
  • Driest monthAugust (0.7 in (17 mm))
  • Annual precipitation17 in (422 mm)
  • Based on2016-2025 daily ERA5 reanalysis data (10-year normals)
  • Records fromSemnan, 18 km away (1973-2025)